Home / 2,652,307.36-3,978,488.80-2,123,191.84

Finding the Fourth Proportional to 2,652,307.36, 3,978,488.80 and 2,123,191.84

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Solution

The fourth proportional to 2,652,307.36, 3,978,488.80 and 2,123,191.84 is: 3,184,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,307.36 : 3,978,488.80 = 2,123,191.84 : x
  2. Step 2: Convert to fraction form
    2,652,307.36/3,978,488.80 = 2,123,191.84/x
  3. Step 3: Cross multiply
    2,652,307.36x = 3,978,488.80 × 2,123,191.84
  4. Step 4: Simplify right side
    2,652,307.36x = 8,447,094,955,691.39
  5. Step 5: Solve for x
    x = 8,447,094,955,691.39/2,652,307.36
  6. Step 6: Final answer
    x = 3,184,809.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.